Blew the motor

[DrFranz]

So, admittedly I ran my Rustler with oversize paddle tires for the snow. I took the VXL setup OUT and replaced with Brushed Titan 12turn, and, for added stupidity, ran a larger pinion. I figured it wouldn't overheat, it's 25 degrees here! But it did. Smoked it up. Is that possible, or was it something else? Clutch and spur looks fine. ???

 

[WickedFog]

You very likely went beyond the motor's capability to keep its cool.

 

[DavidB1126]

Titan motors, and brushed motors overall, like @WickedFog said, you went beyond with it.
I ran my rustler on a brushless system. Max10 sct 4000kv motor. Lowest pinion I had (14T) and largest spur (90T). Overheated the motor, burnt the slipper clutch and transmission case. Those were with 2.8 MT lockup wheels and tires. Way Way oversized
I used that same gearing and tire setup with the stock xl5 brushed motor aswell. Burnt that up.
Thats why I now only stick with stock sizes and conservative gearing.

Brushed Motor electrical burning smell. Gotta love that
Also gotta love a Traxxas XL5, magic blue smoke fried smell. (Reverse polarity on battery plugs, Watch what you are doing!)

And also, since I burnt the clutch and tranny case, I upgraded to the 272R. Same slipper clutch, but higher quality plastic case, and aluminum motor plate. 92 bucks on Jenny's RC at the time. Needs assembly tho. As Traxxas directly is 140 bucks, but all assembled with spur gears and mounts.

 

[Ramp addict]

My kids did the same thing pulling a wagon around with a Stampede. It melted the tranny case.

 

[Greywolf74]

Is that possible, or was it something else?

Not only possible but highly likely.

 

[Zerksies]

Bigger tires are like making it a bigger pinion gear. More then likely the motor is gone

 

[DrFranz]

yeah, I guess so, but I thought I'd get away with it because it's so cold out (was 20 deg).